Stack Trace is below:
java.lang.NullPointerException
[EL Warning]: 2013-05-14 12:53:41.517--UnitOfWork(16467933)--java.lang.NullPointerException
at com.hxtt.global.ao.a(Unknown Source)
at com.hxtt.global.ao.do(Unknown Source)
at com.hxtt.global.ak.a(Unknown Source)
at com.hxtt.global.ak.a(Unknown Source)
at com.hxtt.e.m.a(Unknown Source)
at com.hxtt.e.k.a(Unknown Source)
at com.hxtt.e.m.if(Unknown Source)
at com.hxtt.e.m.do(Unknown Source)
at com.hxtt.sql.ct.a(Unknown Source)
at com.hxtt.sql.ct.a(Unknown Source)
at com.hxtt.sql.d2.a(Unknown Source)
at com.hxtt.sql.d2.a(Unknown Source)
at com.hxtt.sql.dg.new(Unknown Source)
at com.hxtt.sql.dg.next(Unknown Source)
at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.processResultSet(DatabaseAccessor.java:713)
at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:621)
at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:535)
at org.eclipse.persistence.internal.sessions.AbstractSession.basicExecuteCall(AbstractSession.java:1717)
at org.eclipse.persistence.sessions.server.ServerSession.executeCall(ServerSession.java:566)
at org.eclipse.persistence.sessions.server.ClientSession.executeCall(ClientSession.java:207)
at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:207)
at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:193)
at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeSelectCall(DatasourceCallQueryMechanism.java:264)
at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.selectAllRows(DatasourceCallQueryMechanism.java:646)
at org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.selectAllRowsFromTable(ExpressionQueryMechanism.java:2611)
at org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.selectAllRows(ExpressionQueryMechanism.java:2570)
at org.eclipse.persistence.queries.ReadAllQuery.executeObjectLevelReadQuery(ReadAllQuery.java:420)
at org.eclipse.persistence.queries.ObjectLevelReadQuery.executeDatabaseQuery(ObjectLevelReadQuery.java:1081)
at org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:844)
at org.eclipse.persistence.queries.ObjectLevelReadQuery.execute(ObjectLevelReadQuery.java:1040)
at org.eclipse.persistence.queries.ReadAllQuery.execute(ReadAllQuery.java:392)
at org.eclipse.persistence.queries.ObjectLevelReadQuery.executeInUnitOfWork(ObjectLevelReadQuery.java:1128)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.internalExecuteQuery(UnitOfWorkImpl.java:2871)
at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1516)
at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1498)
at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1463)
at org.eclipse.persistence.internal.jpa.EJBQueryImpl.executeReadQuery(EJBQueryImpl.java:485)
at org.eclipse.persistence.internal.jpa.EJBQueryImpl.getResultList(EJBQueryImpl.java:742)
at wm.PartMethods.getChildForParentByPartType(PartMethods.java:127)
at meisnextdatamigration.MEISNextDataMigration.serializeCasting(MEISNextDataMigration.java:260)
at meisnextdatamigration.MEISNextDataMigration.main(MEISNextDataMigration.java:134)

Re:NullPointerException

HXTT Support

2013-05-14 16:50:07.0

Please download the latest version. In my memory, it should be a fixed bug for IN opeartor on subquery.